E-mail software and method and system for distributing advertisements to client devices that have such e-mail software installed thereon

摘要

In one aspect, the present invention provides an advertisement distribution system for distributing advertisements to a multiplicity of client devices via a communications network, which system includes at least one ad server that stores the advertisements to be distributed to the client devices, each advertisement being stored in a storage location designated by a source address, and at least one playlist server that provides at least one playlist for each client device. Preferably, the at least one playlist provided for each client device identifies advertisements to be downloaded by that client device.